What document is the source of power for the national government?

How did chris mccandless feel before and after going into the wild? i need with a compare and contrast slide for a project

Why are slanted roofs found on many buildings within russia and finland? a. to prevent ice slides. b. to prevent the build-up of water during heavy rains. c. to prevent heat from escaping during the clod winter months. d. to prevent snow build-up.

How would you describe the relationship between the major world religions today? how do those relationships manifest in the united states today?